An outline or image universally applicable to a general conception, under which it is likely to be presented to the mind (for example, a body schema).
"The patient's rehabilitation plan focused on rebuilding her body schema so she could accurately perceive where her limbs were in space."
In plain English: A schema is your brain's mental shortcut for organizing and understanding new information based on what you already know.
"The database schema organizes all the tables and columns to show how they relate to each other."
Usage: In everyday contexts like psychology and computer science, use "schema" to refer to an organized framework of knowledge that shapes how we interpret information. Avoid confusing this with similar-sounding words by remembering it specifically denotes mental structures or data templates rather than general plans or designs.
Schema is an unadapted loanword taken directly from the Latin schēma, which originally meant "form" or "shape." It entered English alongside its doublet, scheme, preserving this original sense in fields like psychology and design.